<template>
  <a-layout>
    <a-layout-sider width="200" style="background: #fff">
      <a-menu
          mode="inline"
          v-model:selectedKeys="selectedKeys2"
          v-model:openKeys="openKeys"
          :style="{ height: '100%', borderRight: 0 }"
          @click="handleClick"
      >
        <a-menu-item key="welcome">
          <MailOutlined />
          <span>欢迎</span>
        </a-menu-item>
        <a-sub-menu v-for="item in level1" :key="item.id">
          <template v-slot:title>
            <span><user-outlined />{{item.name}}</span>
          </template>
          <a-menu-item v-for="child in item.children" :key="child.id">
            <MailOutlined /><span>{{child.name}}</span>
          </a-menu-item>
        </a-sub-menu>
      </a-menu>
    </a-layout-sider>
    <a-layout-content
        :style="{ background: '#fff', padding: '24px', margin: 0, minHeight: '280px' }"
    >
      <div class="welcome" v-show="isShowWelcome">
        <h1>欢迎使用电子书商城</h1>
      </div>
      <a-list v-show="!isShowWelcome" item-layout="vertical" size="large" :grid="{ gutter: 20, column: 3 }" :data-source="ebooks">
        <template #renderItem="{ item }">
          <a-list-item key="item.name">
            <template #actions>
          <span v-for="{ type, text } in actions" :key="type">
            <component v-bind:is="type" style="margin-right: 8px" />
            {{ text }}
          </span>
            </template>
            <a-list-item-meta :description="item.description">
              <template #title>
                <a :href="item.href">{{ item.name }}</a>
              </template>
              <template #avatar><a-avatar :src="item.cover" /></template>
            </a-list-item-meta>
          </a-list-item>
        </template>
      </a-list>
      Content
    </a-layout-content>
  </a-layout>
</template>

<script lang="ts">
import { UserOutlined, LaptopOutlined, NotificationOutlined } from '@ant-design/icons-vue';
import { defineComponent, ref, onMounted } from 'vue';
import axios from 'axios';
import { StarOutlined, LikeOutlined, MessageOutlined } from '@ant-design/icons-vue';
import { message } from 'ant-design-vue';
import {Tool} from "@/util/tool";



//const listData: Record<string, string>[] = [];

//for (let i = 0; i < 23; i++) {
  //listData.push({
   // href: 'https://www.antdv.com/',
    //title: `ant design vue part ${i}`,
   // avatar: 'https://zos.alipayobjects.com/rmsportal/ODTLcjxAfvqbxHnVXCYX.png',
    //description:
        //'Ant Design, a design language for background applications, is refined by Ant UED Team.',
    //content:
       // 'We supply a series of design principles, practical patterns and high quality design resources (Sketch and Axure), to help people create their product prototypes beautifully and efficiently.',
 // });
//}
export default defineComponent({
  components: {
    UserOutlined,
    LaptopOutlined,
    NotificationOutlined,
    StarOutlined, LikeOutlined, MessageOutlined
  },
  setup() {
    const ebooks = ref();

    const level1 =  ref();
    let categorys: any;
    /**
     * 查询所有分类
     **/
    const isShowWelcome = ref(true);
    let categoryId2 = 0;

    const handleQueryCategory = () => {
      axios.get("/Category/all").then((response) => {
        const data = response.data;
        if (data.success) {
          categorys = data.content;
          console.log("原始数组：", categorys);

          level1.value = [];
          level1.value = Tool.array2Tree(categorys, 0);
          console.log("树形结构：", level1.value);
        } else {
          message.error(data.message);
        }
      });
    };



     const  handleQueryEbook = () => {
      axios.get("/Ebook/list1", {
        params: {
          page: 1,
          size: 100,
          categoryId2: categoryId2
        }
      }).then((response)=> {
        const data = response.data;
        ebooks.value = data.content.list
        //ebooks1.books = data.content
      });
     };

    const handleClick = (value: any) => {
      // console.log("menu click", value)
      if (value.key === 'welcome') {
        isShowWelcome.value = true;
      } else {
        categoryId2 = value.key;
        isShowWelcome.value = false;
        handleQueryEbook();
      }
      // isShowWelcome.value = value.key === 'welcome';
    };

    onMounted(() => {
      handleQueryCategory();
      // handleQueryEbook();
    })


    return {
      ebooks,
      handleClick,
      level1,
      isShowWelcome,
      //listData,
      selectedKeys1: ref<string[]>(['2']),
      selectedKeys2: ref<string[]>(['1']),
      collapsed: ref<boolean>(false),
      openKeys: ref<string[]>(['sub1']),
      pagination : {
        onChange: (page: number) => {
          console.log(page);
        },
        pageSize: 3,
      },
      actions:  [
      { type: 'StarOutlined', text: '156' },
      { type: 'LikeOutlined', text: '156' },
      { type: 'MessageOutlined', text: '2' },
    ],
    };
  },
});
</script>


<style scoped>
   .ant-avatar{
     width: 50px;
     height: 50px;
     line-height: 50px;
     border-radius: 8%;
     margin: 5px 0;
   }
</style>